Ask for some idioms or four-word words (preferably with explanations) that mean "things are wrong" and "the past flourished and now declined"

The hero is dying, the color is fading, and he is indifferent. After many years, times have changed, and the color declines and loves to relax.

The window was covered with cobwebs and the beam fell in the mud. The good times don't last long, flowers bloom and fall. Time seems to pass, things are different and the grass is yellow.

Times have changed, people have peach blossoms, moved by the scenery, and the tide is gone. Cold is coming, summer is coming, and everything is changing.

Changes with each passing day, vicissitudes of life, white clouds and pale dogs, old and faded.